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I need a tool which can receive the schemas of a master and a target databases (generated by a tool e.g. mysqldump -d --routines --triggers --events) and generates an update script to update the target database.

+------------------------+                                             
|                        +--------------+                              
|    Master DB dump      |              |                              
|                        |     +--------v-------+                      
+------------------------+     |                |     +----------------+
                               | Migration Tool +----->Alter Statements|
                               |                |     +----------------+
                               +---------^------+                      
+------------------------+               |                             
|                        |               |                             
|   Target DB dump       +---------------+                             
+------------------------+                                             

I've tried Database Comparer v 6.2 Standalone Utility which is awesome. However it is not smart enough to detect column rename actions and simply drop and create a renamed column. The desired program, should ask user to choose between rename or drop/create actions.

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    I'm considering putting a bounty here or asking a separate question, as my requirements are coming pretty close: I'd need something like this with the additional requirements of: open-source, Linux, works with MySQL and SQLite. Guess our requirements are not a match, but simply overlapping? Solutions for mine would match yours, but not vice-versa?
    – Izzy
    Apr 6, 2015 at 12:49
  • @Izzy think SQLite part of your requirements need a separate question. There is very little change that a single utility support both of those RDBMSs. I will be grateful to see you bounty here. Apr 6, 2015 at 14:17
  • @Izzy Did you try the linked software? Perhaps there is some configs. Apr 6, 2015 at 14:19
  • Afraid so, yes. And I was thinking either-or (if it wouldn't justify a separate Q I'd place a bounty here). And no, I cannot try the linked software: that's Windows only, I need it on Linux (and no, not emulated via Wine or whatever, too much overhead that). Moreover, it doesn't mention SQLite in its list of supported RDBMSs – which is what I'd need it for primarily.
    – Izzy
    Apr 6, 2015 at 14:22
  • Btw: a simple google-fu brought me to one of our sister-sites: Comparing Sqlite databases. And despite the "SQLite" in its title, other RDBMSes are also covered, so you might want to give it a look, too! SchemaCrawler looks promising for both of us, btw :)
    – Izzy
    Apr 6, 2015 at 14:29

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